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Finding the Fourth Proportional to 59,893.40, 89,840.10 and 56,977.40

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Solution

The fourth proportional to 59,893.40, 89,840.10 and 56,977.40 is: 85,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,893.40 : 89,840.10 = 56,977.40 : x
  2. Step 2: Convert to fraction form
    59,893.40/89,840.10 = 56,977.40/x
  3. Step 3: Cross multiply
    59,893.40x = 89,840.10 × 56,977.40
  4. Step 4: Simplify right side
    59,893.40x = 5,118,855,313.74
  5. Step 5: Solve for x
    x = 5,118,855,313.74/59,893.40
  6. Step 6: Final answer
    x = 85,466.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.